깨달음, 현대 의학의 힘, 선을 넘자 등의 곡으로 시대와 호흡했던 키겐의 신곡. 슬프다. PRADA SHOES (Feat. ESBEE) 작사 : 키겐 작곡 : 키겐, ESBEE 편곡 : 키겐 Produced by 키겐, ESBEE Composed by 키겐, ESBEE Lyrics by 키겐 Arranged by 키겐 Piano, Bass & Drums by 키겐 Chorus by ESBEE Recorded by 키겐, ESBEE at BRANDNEW MUSIC Studio Mixed by 키겐 for KOREAN ROULETTE Executive Produced by 라이머 a.k.a Mr. BIG Daddy for BRANDNEW MUSIC Produced by 키겐, ESBEE for KOREAN ROULETTE Promotion & Artist Management Director 남서우 Recorded by 키겐, ESBEE at BRANDNEW MUSIC Studio Mixed by 키겐 for KOREAN ROULETTE Mastered by 마스터키 at MasterPiece SoundLab Administration Director 김형욱 Administration & Accounting 윤성혜, 김세민 Production Co-ordinator 마스터키, 원영헌, 동네형, ASSBRASS, 리시, 9999, XEPY, 태완, DJ Juice Artist Management 정민규, 이호진, 권용완, 김준배, 박승현 Strategy Planning 정의봉 A&R 유영준, 한태희 Marketing & Online Promotion 이미희, 오정아 Artist Development & Casting 장유진 Fan Marketing 이미희, 오정아, 타카야마 나리사 Overseas Business 타카야마 나리사, 이화일 Art Direction & Design MJJ Progress (문승재) Style Director 이동연, 김보성 Stylist Assistant 안재희, 전소은 Hair BLACK LIP (한주영, 조수연, 윤혜정, 배수진) Make Up BLACK LIP (한주영, 조수연, 윤혜정, 배수진) Presented by BRANDNEW MUSIC